package Servlet.TeacherServlet;

import Service.TeacherService.TeacherService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
/*
负责教师 查询教师Id是否存在 数据接口
 */
@WebServlet(value = "/queryTeacherIdIsExist")
public class QueryTeacherIdIsExist extends HttpServlet {

    private TeacherService teacherService = new TeacherService();

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request,response);
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=UTF-8");

        String teacherId = request.getParameter("teacherId");
        int count =teacherService.queryIdIsExist(teacherId);

        PrintWriter out = response.getWriter();

        out.print(count);
    }
}
